The author defends herself against charges of racism by noting that blacks are only one of her targets...面对种族主义指控,作者替自己辩护说黑人只是她的抨击目标之一。Ren Jing considers herself a bit of a bookworm.任静觉得自己多少可以算得上是个爱读书的人了.Somehow she stea...
他用一块桦木做一只小船.He used a piece of birch to make a small boat.只有杨木和桦木的原木出货高于去年.Only Poplar and Birch log shipments are up for the year.利用均匀设计法优化了微波辅助提取白桦树皮中桦木醇的工艺.The microwave - assisted extraction ( MAE ) of betulin from B...